OnlyChain is a 3.0 blockchain underlying technology application operating system (short: OC system), developed by OnlyChainLimited with great concentration. The OC system proposes a blockchain ecosystem architecture that is most compatible with commercial applications in all fields, and a high-performance blockchain application system that can quickly process decentralized and semi-centralized applications to achieve data compatibility and performance expansion. OnlyChain builds an application-oriented ecological public chain. It adopts reverse business thinking to build a public chain ecology. The basic underlying technology runs first, develops side chain applications, and takes the lead in introducing traffic to the ecology. At the same time, it can also build blockchain network nodes by the way. Through the construction and development of ecological applications, the construction of the ecological system will be continuously updated and iteratively improved, and the main network will be launched, and sufficient homework will be done. OnlyChain's vision: to create a blockchain operating system that never goes down, and realize an economic sharing circle with ONLY as a token.

Project Features

High availability
The node cluster technology designed by the OC system can maintain high availability of related services, that is, multiple hosts work together, each running one or several services, each for A service defines one or more backup hosts. When a host fails, the services running on it can be taken over by other hosts.
Low Latency
The node communication pathfinding algorithm designed by the OC system reduces the delay in the network, and at the same time delays in I/O. Keep efficient scheduling.
High concurrency
High concurrency (High Concurrency) is one of the factors that must be considered in the design of Internet distributed system architecture. It usually refers to ensuring that the system can process many requests in parallel at the same time through design. . The node cluster technology designed by OC system can handle at least millions of data requests per second when the number of nodes is sufficient.
High compatibility
High compatibility refers to the degree of mutual coordination between hardware, software or software-hardware combination systems. The concept of compatibility is relatively broad. Compared with the OC system, the resources and functions of the system are compatible with the use of decentralized applications and semi-centralized applications. The two types of applications can cooperate with each other, promote each other, and work stably.
Maintainability
System maintainability is a measure of how easily a system can be repaired (restored) and improved. After the OC system fails, it can eliminate (or restrain) the fault, repair it, and return to the original normal operation state. Secondly, the system has the ability to accept improvements to existing functions and add new functions. The OC system upgrade mechanism pushes the version through the distribution network to convey data and the system upgrade confirmation review mechanism.

Technical Overview

The role of the main chain and side chain
The main chain is used to ensure the normal operation of the equity token of the OC system, and the side chain is used to serve the third-party application data on-chain problem , the data of the side chain has a unique identity, and sometimes it can represent a DNA sequence. It needs the application side to convert the data to achieve results. In order to enrich the flexibility of the side chain application, a smart contract virtual machine is designed for the side chain, which can support More programming languages ​​to rapidly expand the application ecosystem.
Main and side chain value conversion
The equity token of the main chain adopts the UTXO model, which means that the value can be combined and divided during the circulation process, and the side chain has a large and complex business volume, so The balance model is adopted, and the initial system is temporarily set to not allow splitting, so a minimum unit in the balance model is 1, which corresponds to a virtual temporary robot address, and the right order under the UTXO model is loaded through the temporary address number of cards. In addition, the virtual products of the side chain application can also be exchanged directly with the equity tokens of the main chain. For example, a pet chain is released using the side chain, and a total of 1,000 pets are released on the chain, then the pets and the equity tokens of the main chain can be exchanged online .
Side chain multi-chain reuse and decomposition
The side chain multi-chain reuse technology solves the problem that there are multiple industries in one system ecology, multiple enterprises in one industry application, and one enterprise There are multiple sub-chains. For the purpose of unified management, unified classification, and saving storage, a solution for multiple chain reuse of side chains is designed. Indicates the relationship of application chain multi-chain multiplexing. Each CS flow must have a complete and effective sub-chain association table (PCT), which shows the corresponding relationship between the enterprise PID and the enterprise mapping table (PMT) position (PMT-PID) of the enterprise. Before being mapped into a CS packet, the PCT horizontal space can be divided into X segments, and the vertical space can be divided into Y segments, and each segment contains a part of the entire PCT. This segmentation can be located in smaller PCT segments, thus allowing other segmented data to be received and parsed correctly. The composite CS packet decomposition rule of the subchain is based on the segmented security table SCT. The function of the SCT can add and unlock multiple subchains and manage data fault tolerance to improve the maintainability of the composite CS packet. Regarding the sidechain technology, it may be considered to upgrade to The data structure of the directed acyclic graph is implemented, and the data exchange speed will be faster at that time.

Project Foundation

OnlyChain Cayman Foundation (OnlyChain Foundation L.P) (hereinafter referred to as "OnlyChain Cayman Foundation") is a non-profit entity officially established in Cayman in October 2018. The OnlyChain Cayman Foundation will act as the advocacy entity of the OnlyChain blockchain and is committed to the development and construction of the OnlyChain and the advocacy and promotion of governance transparency to promote the safe and harmonious development of the open source ecological community. OnlyChain Limited is a technology company under the OnlyChain Cayman Foundation and is responsible for the technical research and development of the OnlyChain public chain.
The general blockchain community aims at a high degree of autonomy or decentralization, allowing community participants to make diverse discussions and suggestions, and usually uses "voting" to make important decisions. However, such deliberations become inefficient or unresolved due to the diversity of participants' opinions, which is not conducive to the continuous iteration and evolution of blockchain technology. What's more, due to serious differences of opinion, the blockchain forks. The repeated adoption of hard forks has made people question the concept of decentralization of Ethereum and even the blockchain. Such a governance method is not so much "democracy" as "anarchy". The OnlyChain development team highly agrees with the essence of the "decentralization" construction of the blockchain. At the same time, it also absorbs the essence of the traditional corporate governance structure to improve the efficient formulation and implementation of the OnlyChain development and promotion strategy, and at the same time avoid possible serious conflicts. The divergence and irreconcilability of blockchain design concepts reappeared.
The OnlyChain team entrusts a credible third-party organization to assist the team in setting up a foundation entity in Singapore and maintain the daily operations and reporting of the entity structure. After the foundation is established, it selects appropriate community members to join the functional committee of the foundation and participate in actual management and decision-making.